Home / 931,669.71-1,285,749.81-523,899.92

Finding the Fourth Proportional to 931,669.71, 1,285,749.81 and 523,899.92

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Solution

The fourth proportional to 931,669.71, 1,285,749.81 and 523,899.92 is: 723,007.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,669.71 : 1,285,749.81 = 523,899.92 : x
  2. Step 2: Convert to fraction form
    931,669.71/1,285,749.81 = 523,899.92/x
  3. Step 3: Cross multiply
    931,669.71x = 1,285,749.81 × 523,899.92
  4. Step 4: Simplify right side
    931,669.71x = 673,604,216,170.27
  5. Step 5: Solve for x
    x = 673,604,216,170.27/931,669.71
  6. Step 6: Final answer
    x = 723,007.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.